Home / 66,428.58-91,666.85-37,361.30

Finding the Fourth Proportional to 66,428.58, 91,666.85 and 37,361.30

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Solution

The fourth proportional to 66,428.58, 91,666.85 and 37,361.30 is: 51,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428.58 : 91,666.85 = 37,361.30 : x
  2. Step 2: Convert to fraction form
    66,428.58/91,666.85 = 37,361.30/x
  3. Step 3: Cross multiply
    66,428.58x = 91,666.85 × 37,361.30
  4. Step 4: Simplify right side
    66,428.58x = 3,424,792,496.10
  5. Step 5: Solve for x
    x = 3,424,792,496.10/66,428.58
  6. Step 6: Final answer
    x = 51,556.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.